1 The primary cause of COPD is tobacco smoke (through tobacco use or second-hand smoke).  The disease now affects men and women almost equally, due in part to increased tobacco use among women in high-income countries.
Swarming is the process by which a new honey bee colony is formed when the queen bee leaves the colony with a large group of worker bees. In the prime swarm, about 60% of the worker bees leave the original hive location with the old queen. This swarm can contain thousands to tens of thousands of bees.
Quick Answer. A group of bees is most commonly called a swarm.. According to the Northern Prairie Wildlife Research Center, a swarm is also known as a hive or a grist of bees.. Swarms assemble in a colony, numbering as high as 35,000 bees in the summer. Continue Reading.